Brush pens supply extra variation in line width than a fineliner pen. Their nibs have a wide base that then tapers to your fine position. Normally the nib is made from a conical piece of felt, but you will discover pens that have a real brush suggestion manufactured from https://how-to-draw-with-ink-pens66543.blogthisbiz.com/42040384/ink-drawing-for-beginners-secrets